import type { HotInstance } from '../../core/types';
/**
 * The class responsible for calculating the column widths based on the specified column stretching strategy.
 *
 * @private
 * @class StretchCalculator
 */
export declare class StretchCalculator {
    #private;
    /**
     * Initializes the stretch columns calculator with the Handsontable instance and registers the stretch widths index map.
     */
    constructor(hotInstance: HotInstance);
    /**
     * Sets the active stretch strategy.
     *
     * @param {'all' | 'last' | 'none'} strategyName The stretch strategy to use.
     */
    useStrategy(strategyName: unknown): void;
    /**
     * Recalculates the column widths.
     */
    refreshStretching(): void;
    /**
     * Gets the calculated column width.
     *
     * @param {number} columnVisualIndex Column visual index.
     * @returns {number | null}
     */
    getStretchedWidth(columnVisualIndex: number): unknown;
}